Calciferol (“Vitamin D”) INFORMATION SHEET FOR DOCTORS Robert D. McMullen, MD 212 362 9635    Take Vitamin D 50K I.U. 4 pills every Rosh Chodesh; If you cannot remember if you took it, take it again. Toxicity is only if you take ≥ 30 pills per month for a few months. 50,000 I.U. pills are